1972×37+197.2×1.9-986×70.38怎么简算
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1972×37+197.2×1.9-986×70.38怎么简算
1972×37+197.2×1.9-986×70.38怎么简算
1972×37+197.2×1.9-986×70.38怎么简算
1972*37+1972*0.19-1972*35.19=1972*(37+0.19-35.19)=1972*2=3942
1972×37+197.2×1.9-986×70.38怎么简算
简算2到,不难1,9.75+99.75+999.75+9999.75=2,1972×99.75+197.2×1.9+986×125.62=
37*98简便运算
37*98 简算
计算:17.48×-37+8.74×-88-174.8×1.9
19.98×37-199.8×1.9 1998×0.
20.12×37-201.2×1.9+2012×0.82
巧算1982*37+198.2*1.9+991*125.
19.99*37+1999*0.82-1999.9*1.9=
37 98怎样简便计算
98×37用简便方法
速算,999+98+37+6
98×37×37×125-125×37×18的巧算
17.48*37-174.8*1.9+1.748*820 简算怎样算
19.98*37-199.8*1.9+1998*0.82的简便运算
用简便方法计算:19.98*37-199.8*1.9+1998*0.82
17.48×(-37)+8.74×(-88)-174×1.9怎么简算?
17.48×37+174.8×1.9+8.74×88=? 简便运算